package com.ruoyi.system.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.ruoyi.system.domain.entity.Elder;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface ElderMapper extends BaseMapper<Elder> {
    List<Elder> selectByRoomId(Long roomId);
    void deleteById(Long roomId);
}